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Math Help - Binomial expansion

  1. #1
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    Binomial expansion

    Is this the correct expansion (2 - x)^{-1} = \frac{1}{2} + x + \frac{x^2}{4}
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  2. #2
    MHF Contributor red_dog's Avatar
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    No.

    (2-x)^{-1}=\frac{1}{2-x}
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  3. #3
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    I mean when you expand it up to x^2 using binomial expansion
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